Question

Rounding to the nearest whole percent, the artist should set the copier to sixty
-
seven
percent.
A student wants to make a photocopy of his hand so that the length of his copied hand
will be three point five inches. His hand is actually four point five inches long. To the
nearest whole number, what should the zoom setting on the photo
copier be?
Click Solution to see the correct answer.
Solution:
First, let r represent the unknown percent copy size, and set up a proportion comparing
corresponding dimensions.
Next, find the cross
-
products and solve for r.
Rounding, the zoom se